An active fiber sensor for mirror vibration metrology in astronomical interferometers

Details An active fiber sensor for mirror vibration metrology in astronomical interferometers An active fiber sensor for mirror vibration metrology in astronomical interferometers

2009-05-13

arxiv.org/abs/0905.2135v1

Astron.Nachr.330:518-522,2009

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

7 pages, 6 figures

Scientific paper

10.1002/asna.200911201

We present a fiber sensor based on an active integrated component which could
be effectively used to measure the longitudinal vibration modes of telescope
mirrors in an interferometric array. We demonstrate the possibility to measure
vibrations with frequencies up to $\simeq 100$ Hz with a precision better than
10 nm.

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